Binding to a sequence of adenylyl residues in an RNA molecule, such as the poly(A) tail, a sequence of adenylyl residues at the 3' end of eukaryotic mRNA.

Binding to oxysterol, an oxidized form of cholesterol.

Binding to phenylalkylamine or one of its derivatives.

The portion of the plasma membrane surrounding a cellular bud.

OBSOLETE. Binding to a drug, a naturally occurring or synthetic substance, other than a nutrient, that, when administered or applied to an organism, affects the structure or functioning of the organism;typically used in the diagnosis, prevention, or treatment of disease.

The action of a molecule that contributes to the structural integrity of bone.

The process in which proteins are transferred into the extracellular milieu or directly into host cells by the type VI secretion system. Proteins secreted by this system do not require an N-terminal signal sequence.

The lipid bilayer surrounding an acidocalcisome.

OBSOLETE. (Was not defined before being made obsolete).

The structure, composed of a monolayer of glycolipids with embedded proteins, that encloses the pigments and other contents of the chlorosome.

OBSOLETE. Any activity that decreases the rate of transcription elongation, the addition of ribonucleotides to an RNA molecule following transcription initiation.

A complex of proteins that permits the transfer of proteins into the extracellular milieu or directly into host cells via the type VI secretion system. Proteins secreted by this complex do not require an N-terminal signal sequence.

Catalysis of the reaction: 5-beta-cholestane-3-alpha,7-alpha,12-alpha,26-tetraol + NAD+ = 3-alpha,7-alpha,12-alpha-trihydroxy-5-beta-cholestan-26-al + NADH.

Catalysis of the reactions: (1) ATP + cholate + CoA = AMP + diphosphate + choloyl-CoA and (2) ATP + (25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oate + CoA = AMP + diphosphate + (25R)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholestanoyl-CoA.

Catalysis of the reaction: 5-beta-cholestane-3-alpha,7-alpha,12-alpha-triol + NADPH + O2 = 5-beta-cholestane-3-alpha,7-alpha,12-alpha,26-tetraol + NADP+ + H2O.

Catalysis of the reaction: (7R)-7-(5-carboxylato-5-oxopentanamido)deacetylcephalosporanate + D-glutamate = 2-oxoglutarate + cephalosporin C.

Catalysis of the reaction: chenodeoxycholoyltaurine + H2O = chenodeoxycholate + taurine.

Catalysis of the reaction: benzyl cetraxate + H(2)O = benzyl alcohol + cetraxate + H(+).

Catalysis of the reaction: 5-amino-4-chloro-2-(2,3-dihydroxyphenyl)pyridazin-3(2H)-one + O(2) = 5-amino-4-chloro-2-(2-hydroxymuconoyl)pyridazin-3(2H)-one + 2 H(+).

Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hydroxyurea stimulus.